"other rubies of similar quality. After color follows clarity: similar to diamonds, a clear stone will command a premium, but a ruby without any needle-like rutile inclusions may indicate that the stone has been treated. Ruby is the traditional birthstone for July and is usually more pink than garnet, although some rhodolite garnets have a similar pinkish hue to most rubies. The world's most valuable ruby is the Sunrise Ruby. Rubies have a hardness of 9.0 on the Mohs scale of mineral hardness. Among the natural gems only moissanite and diamond are harder, with diamond having a Mohs hardness of"
"believed gemstones were a consequence of fermentation in the stars, where a diamond actually formed the kernel of gold-bearing mass. In fact often diamonds were linked to gold, which may have found its origin in the joint occurrence of diamonds with quartzite, quartz veins and an occasional occurrence of gold in them. In later times, Robert Boyle actually believed that gems (including a diamond) were formed of clear, transparent water, and that their colors and characteristics were derived from their metallic spirit. The diamond is the birthstone for people born in the month of April, and is also used as"
"Birthstone A birthstone is a gemstone that represents a person's month of birth. Birthstones are often worn as jewelry or as a pendant. The first century Jewish historian Josephus believed there was a connection between the twelve stones in Aaron's breastplate (signifying the tribes of Israel, as described in the Book of Exodus), the twelve months of the year, and the twelve signs of the zodiac. Translations and interpretations of the passage in Exodus regarding the breastplate have varied widely, with Josephus himself giving two different lists for the twelve stones. George Frederick Kunz argues that Josephus saw the breastplate"
"its variations are not found in classical sources. However, the titan Rhea does present Dionysus with an amethyst stone to preserve the wine-drinker's sanity in historical text. Tibetans consider amethyst sacred to the Buddha and make prayer beads from it. Amethyst is considered the birthstone of February. In the Middle Ages, it was considered a symbol of royalty and used to decorate English regalia. In the Old World, amethyst was considered one of the Cardinal gems, in that it was one of the five gemstones considered precious above all others, until large deposits were found in Brazil. Amethyst is produced"
"as ""Navaratna"" (nine gems). At birth, an astrological chart is calculated, and certain stones are recommended to be worn on the body to ward off potential problems based on the place of these forces in the sky at the exact place and time of birth. While the term ""birthday stone"" is sometimes used as a synonym for birthstone, each day of the week is also assigned a unique gemstone and these assignments are distinct from the monthly assignments. Birthstone A birthstone is a gemstone that represents a person's month of birth. Birthstones are often worn as jewelry or as a"
"Ruby A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. The word ""ruby"" comes from ""ruber"", Latin for red. The color of a ruby is due to the element chromium. The quality of a ruby is determined by its color, cut, and clarity, which, along with carat weight, affect its value. The brightest and most valuable shade of red called blood-red or pigeon blood, commands a large premium over"
"in the 1950s. It was the 344th most common name for females in the United States in the 1990 census. Eighty girls born in the United States in 2010 were given the name and 92 girls born in 2011 were given the name. Opal (given name) Opal is a feminine given name derived from the name of the gemstone opal. The gemstone is the birthstone for October. Its name is derived from the Sanskrit उपल or ""upala"", which means """"jewel"". It came into use along with other gemstone names during the late Victorian era. Opal was among the 100 most"
"Opal (given name) Opal is a feminine given name derived from the name of the gemstone opal. The gemstone is the birthstone for October. Its name is derived from the Sanskrit उपल or ""upala"", which means """"jewel"". It came into use along with other gemstone names during the late Victorian era. Opal was among the 100 most popular names for girls born in the United States from 1900 to 1920 and remained among the top 500 most popular names for girls there until 1950. It was last ranked among the 1,000 most popular names for girls in the United States"
"it was mined. Her titles included ""Lady of Turquoise"", ""Mistress of Turquoise"", and ""Lady of Turquoise Country"". In Western culture, turquoise is also the traditional birthstone for those born in the month of December. The turquoise is also a stone in the Jewish High Priest's breastplate, described in Exodus 28. The stone is also considered sacred to the indigenous peoples of the Southwestern United States Zuni and Pueblo peoples of the American Southwest, The pre-Columbian Aztec and Maya also considered it to be a valuable and culturally important stone. The Egyptians were the first to produce an artificial imitation of"
"Sunrise Ruby The Sunrise Ruby is the world's most expensive ruby, most expensive coloured gemstone, and most expensive gemstone other than a diamond. Originally mined in Myanmar, Its current name is named after a poem of the same name, written by the 13th-century Sufi poet Rumi. It is a Burmese ""pigeon blood"" ruby mounted by Cartier and set between heptagonal diamonds weighing and . It is considered among the rarest of all gemstones. The Swiss Gemmological Institute has described it as ""a unique treasure of nature"" and praised its ""well-proportioned cut, highly attractive colour and fine purity"". The Gubelin Gem"
"Pearl (given name) Pearl is a primarily feminine given name derived from the English word ""pearl,"" a hard, roundish object produced within the soft tissue of a living, shelled mollusk. Pearls are commonly used in jewelry-making. The pearl is the birthstone for the month of June. Pearls have been associated with innocence and modesty. Because it comes from the sea, it also has associations with the moon and with water. Pearls are also traditionally considered appropriate jewelry for debutantes and brides. Pearl came into popular use along with other gemstone names during the late Victorian Era. It may also have"
"olivine is a 310 carat (62 g) specimen in the Smithsonian Museum in Washington, D.C. Peridot olivine is the birthstone for the month of August. Peridot Peridot ( or ) is gem-quality olivine, which is a silicate mineral with the formula of (Mg, Fe)SiO. As peridot is the magnesium-rich variety of olivine (forsterite), the formula approaches MgSiO. The origin of the name ""peridot"" is uncertain. The ""Oxford English Dictionary"" suggests an alteration of Anglo–Norman ""pedoretés"" (classical Latin ""pæderot""-), a kind of opal, rather than the Arabic word ""faridat"", meaning ""gem"". The Middle English Dictionary's entry on ""peridot"" includes several variations"
"American Gem Trade Association and Jewelers of America added spinel as an additional birthstone for August. Britain's National Association of Goldsmiths created their own standardized list of birthstones in 1937. Eastern cultures recognize a similar range of gemstones associated with birth, though rather than associating a gem with a birth month, gemstones are associated with celestial bodies, and astrology is employed to determine the gemstones most closely associated with and beneficial to a particular individual. For example, in Hinduism there are nine gemstones associated with the ""Navagraha"" (celestial forces including the planets, the sun, and the moon), known in Sanskrit"
"then placed under the imitation stone. Trade terms such as balas ruby for red spinel and rubellite for red tourmaline can mislead unsuspecting buyers. Such terms are therefore discouraged from use by many gemological associations such as the Laboratory Manual Harmonisation Committee (LMHC). Ruby A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide). Other varieties of gem-quality corundum are called sapphires. Ruby is one of the traditional cardinal gems, together with amethyst, sapphire, emerald, and diamond. The word ""ruby"" comes from ""ruber"", Latin for red. The color of a ruby is due"
"Amethyst Amethyst is a violet variety of quartz. The name comes from the Koine Greek ἀμέθυστος ""amethystos"" from ἀ- ""a-"", ""not"" and μεθύσκω ""methysko"" / μεθύω ""methyo"", ""intoxicate"", a reference to the belief that the stone protected its owner from drunkenness. The ancient Greeks wore amethyst and carved drinking vessels from it in the belief that it would prevent intoxication. Amethyst is a semiprecious stone often used in jewelry and is the traditional birthstone for February. Amethyst is a purple variety of quartz (SiO) and owes its violet color to irradiation, iron impurities (in some cases in conjunction with transition"
"gem garnets and was used as lapping and polishing media for the glass industries. The host rock of the garnet here is garnetiferous mica schist and the total percentage of garnet is not more than 7% to 10%, which makes the material extremely costly and non-economical to extract for non-gemstone applications. Garnet is the birthstone of January. It is also the birthstone of Aquarius in tropical astrology. New York has garnet as its state gemstone, Connecticut has almandine garnet as its state gemstone, Idaho has star garnet as its state gemstone, and Vermont has grossular garnet as its state gemstone."
"gemstone ruby. The native inhabitants continued to assist the European explorers with their ruby exploration, leading them to some half dozen locations, spread out for over a hundred miles along the southwest shores of Greenland, known as the Kitaa Coast. Ruby and pink sapphire are the red and pink varieties of the mineral corundum, an aluminum-oxide mineral Al2O3. The pink/red colour is formed in corundum by adding the element chromium to its crystal structure. Spectroscopy of rubies from the Aappaluttoq occurrence in Greenland confirm the presence of chromium as well as showing absorption in the UV region indicating high Fe"
"says: ""§ 23.23(c) It is unfair or deceptive to use the word ""laboratory-grown"", ""laboratory-created"", ""[manufacturer name]-created"", or ""synthetic"" with the name of any natural stone to describe any industry product unless such industry product has essentially the same optical, physical, and chemical properties as the stone named."" Emerald is regarded as the traditional birthstone for May as well as the traditional gemstone for the astrological signs of Cancer. One of the quainter anecdotes about emeralds was told by the 16th-century historian Brantôme, who referred to the many impressive emeralds the Spanish under Cortez had brought back to Europe from Latin"
"to the market in 1968. In 2002, the American Gem Trade Association chose tanzanite as a December birthstone, the first change to their birthstone list since 1912. Manuel de Souza, a Goan tailor and part-time gold prospector living in Arusha (Tanzania), found transparent fragments of blue and blue-purple gem crystals on a ridge near Mirerani, some southeast of Arusha. He assumed that the mineral was olivine (peridot) but, after soon realizing it was not, he concluded it was ""dumortierite"" (a blue non-gem mineral). Shortly thereafter, the stones were shown to John Saul, a Nairobi-based consulting geologist and gemstone wholesaler who"
"societies. Tiffany & Co. published these poems ""of unknown author"" for the first time in a pamphlet in 1870. In 1912, in an effort to standardize birthstones, the (American) National Association of Jewelers (now called Jewelers of America) met in Kansas and officially adopted a list. The Jewelry Industry Council of America updated the list in 1952 by adding Alexandrite for June, citrine for November and ""pink"" tourmaline for October. They also replaced December's lapis with zircon and switched the primary/alternative gems for March. The American Gem Trade Association added tanzanite as a December birthstone in 2002. In 2016, the"
"used as a nickname for the name Reuben. Authors Pamela Redmond Satran and Linda Rosenkrantz noted in their 2007 book ""Baby Name Bible"" that Ruby is a ""vibrant"" name with a ""sassy and sultry"" image, while Laura Wattenberg wrote in her 2005 book ""The Baby Name Wizard: A Magical Method for Finding the Perfect Name For Your Baby"" that Ruby has the image of a woman ""kicking up her heels"" at a music hall. Notable people with the name include: Ruby (given name) Ruby is a predominantly feminine given name taken from the name of the gemstone ruby. The name"
"or so. Even as recently as the beginning of the 20th century, it was believed that when a Russian saw an opal among other goods offered for sale, he or she should not buy anything more, as the opal was believed to embody the evil eye. Opal is considered the birthstone for people born in October. Opal Opal is a hydrated amorphous form of silica (SiO·""n""HO); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Because of its amorphous character, it is classed as a mineraloid, unlike crystalline forms of silica,"
"Ruby (color) Ruby is a color that is a representation of the color of the cut and polished ruby gemstone and is a shade of red or pink. The first recorded use of ""ruby"" as a color name in English was in 1572. Displayed at right is the Pantone color rubine red. At right is displayed the color ruber. The source of this color is: ISCC-NBS Dictionary of Color Names (1955)--Color Sample of Ruber (color sample #254). Medium ruby is the color called ""ruby"" in Crayola Gem Tones, a specialty set of crayons introduced by the Crayola company in 1994."
"A sapphire jubilee occurs after 65 years. Sapphire is one of the two gem-varieties of corundum, the other being ruby (defined as corundum in a shade of red). Although blue is the best-known sapphire color, they occur in other colors, including gray and black, and they can be colorless. A pinkish orange variety of sapphire is called padparadscha. Significant sapphire deposits are found in Eastern Australia, Thailand, Sri Lanka, China (Shandong), Madagascar, East Africa, and in North America in a few locations, mostly in Montana. Sapphire and rubies are often found in the same geological setting. Every sapphire mine produces"
"Timur ruby The Timur Ruby (also ""Khiraj-i-alam"", ""Tribute to the World"") is an unfaceted, polished red spinel set in a necklace for Queen Victoria in 1853. It is named after the ruler Timur, founder of the Timurid Empire. It was believed to be a ruby until 1851. It is inscribed with the names and dates of six of its previous owners: When the British annexed the Punjab in 1849, they took possession of the Timur ruby and the Koh-i-Noor diamond from Duleep Singh. The two gems have been owned together since 1612. The East India Company presented the Timur Ruby"
"thousand years. Some commentators have attempted to establish the date of birth by identifying the Star of Bethlehem with some known astronomical or astrological phenomenon. For example, astronomer Michael Molnar proposed 17 April 6 BC as the likely date of the Nativity, since that date corresponded to the heliacal rising and lunar occultation of Jupiter, while it was momentarily stationary in the constellation of Aries. According to Molnar, to knowledgeable astrologers of this time, this highly unusual combination of events would have indicated that a regal personage would be (or had been) born in Judea. Other research points to a"
"Standard color lists were first formulated in 1930 and reached their present form in 1955. Ruby (color) Ruby is a color that is a representation of the color of the cut and polished ruby gemstone and is a shade of red or pink. The first recorded use of ""ruby"" as a color name in English was in 1572. Displayed at right is the Pantone color rubine red. At right is displayed the color ruber. The source of this color is: ISCC-NBS Dictionary of Color Names (1955)--Color Sample of Ruber (color sample #254). Medium ruby is the color called ""ruby"" in"
"jewelry. They also may be created synthetically in laboratories for industrial or decorative purposes in large crystal boules. Because of the remarkable hardness of sapphires – 9 on the Mohs scale (the third hardest mineral, after diamond at 10 and moissanite at 9.5) – sapphires are also used in some non-ornamental applications, such as infrared optical components, high-durability windows, wristwatch crystals and movement bearings, and very thin electronic wafers, which are used as the insulating substrates of very special-purpose solid-state electronics (especially integrated circuits and GaN-based LEDs). Sapphire is the birthstone for September and the gem of the 45th anniversary."
"while the Gemological Institute of America starts it in Germany in the 1560s. Modern lists of birthstones have little to do with either the breastplate or the Foundation Stones of Christianity. Tastes, customs and confusing translations have distanced them from their historical origins, with one author calling the 1912 Kansas list (see below) ""nothing but a piece of unfounded salesmanship."" Ancient traditional birthstones are society-based birthstones. The table below contains many stones which are popular choices, often reflecting Polish tradition. There are poems which match each month of the Gregorian calendar with a birthstone. These are traditional stones of English-speaking"
"Rabi' al-awwal Rabīʿ al-Awwal () is the third month in the Islamic calendar. During this month, many Muslims celebrate ""Mawlid"" - the birthday of the Islamic prophet, Muhammad. Although the exact date is unknown, Sunni Muslims believe the date of birth of Muhammad to have been on the twelfth of this month, whereas Shi'a Muslims believe him to have been born on the dawn of the seventeenth day. The Prophet himself never celebrated the mawlid, instead encouraged Muslims to fast on Mondays of every week due to his birthday being “on a Monday”. The name ""Rabī‘ al-awwal"" means ""the first"
"Rabi' al-awwal Rabīʿ al-Awwal () is the third month in the Islamic calendar. During this month, many Muslims celebrate ""Mawlid"" - the birthday of the Islamic prophet, Muhammad. Although the exact date is unknown, Sunni Muslims believe the date of birth of Muhammad to have been on the twelfth of this month, whereas Shi'a Muslims believe him to have been born on the dawn of the seventeenth day. The Prophet himself never celebrated the mawlid, instead encouraged Muslims to fast on Mondays of every week due to his birthday being “on a Monday”. The name ""Rabī‘ al-awwal"" means ""the first"
"Off the Hook from ""Splatoon 2"", the other being Marina. The TV series ""SpongeBob SquarePants"" has a whale named Pearl, who is Mr. Krabs' daughter. Pearl (given name) Pearl is a primarily feminine given name derived from the English word ""pearl,"" a hard, roundish object produced within the soft tissue of a living, shelled mollusk. Pearls are commonly used in jewelry-making. The pearl is the birthstone for the month of June. Pearls have been associated with innocence and modesty. Because it comes from the sea, it also has associations with the moon and with water. Pearls are also traditionally considered"
"1. The moon is named after Remus, twin of the mythological founder of Rome, one of the children of Rhea Silvia raised by a wolf. 87 Sylvia has a low density, which indicates that it is probably a rubble pile asteroid formed when debris from a collision between its parent body and another asteroid re-accreted gravitationally. Thus it is likely that both Remus and Romulus are smaller rubble piles which accreted in orbit around the main body from debris of the same collision. In this case their albedo and density are expected to be similar to Sylvia's. Remus' orbit is"